Cheap flights from Dublin to Chicago from £276
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Chicago departing on 19/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Icelandair flights from Dublin to Chicago
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TAP AIR PORTUGAL flights from Dublin to Chicago
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How to get the cheapest flight ticket from Dublin to Chicago
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Chicago?
The cheapest month to fly to Chicago from Dublin is in November. Flight prices, which tend to average around £373, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Chicago from Dublin during September instead. Flights to Chicago in September, while not as cheap as those in November, still average around £380.
What is the cheapest day to depart on your flight to Chicago?
The cheapest day to depart on your flight to Chicago is on a Tuesday when prices can be found for as low as £507. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chicago is Saturday, with ticket prices averaging around £598.
What is the cheapest time of day to depart on your flight to Chicago?
Flying to Chicago from Dublin in the evening is the least expensive time of day to depart. momondo users have found prices as low as £473 when looking at flights departing in the evening. Flights at midday are often more expensive, with an average ticket price of £586.
What is the cheapest Dublin to Chicago flight route?
Fly from Dublin to Chicago O'Hare Intl for the best Dublin - Chicago flight prices
How far in advance should I book a flight to Chicago?
You are more likely to see cheaper flights to Chicago from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around £439 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Dublin for as low as £358 on momondo.
What cabin class options are available on Dublin to Chicago flights?
There are 3 cabin classes available to choose from on Dublin to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Dublin to Chicago flights?
You could potentially save up to 40% on your flight if you consider stops on a Dublin to Chicago flight.
How have Dublin to Chicago flight prices changed over time?
As of July 2025, prices for Dublin to Chicago flights are approximately 14% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Dublin to Chicago?
Scandinavian Airlines, TAP AIR PORTUGAL, and WestJet are the most popular carriers operating from Dublin to Chicago
Which airlines fly to Chicago?
Aer Lingus, Finnair and British Airways are the top three most popular airlines that fly to Chicago from Dublin according to our data. Aer Lingus is the first choice among our users, with 75% of people opting to fly with this airline when travelling to Chicago. Keep in mind that there are 6 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.
How many flights depart from Dublin to Chicago on average per day?
As of July 2025, 17 flights take off from Dublin and land in Chicago each day. The most common flight departure time for this route is 11:00, with 50% of daily flights taking off in the afternoon.
How many flights depart from Dublin to Chicago on average per week?
As of July 2025, 122 flights take off from Dublin and land in Chicago each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.
When to book flights from Dublin to Chicago
Cheap Dublin to Chicago (DUB to CHI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Dublin to Chicago
How far is Dublin to Chicago by plane?
The distance between Dublin and Chicago is about 3657.3 mi. By plane, this route typically takes 8h 00m.
When did momondo last update prices for flights from Dublin Airport to Chicago?
Prices for flights from Dublin Airport to Chicago refresh daily.
How many operators does momondo search for flights from Dublin Airport to Chicago?
There are 6 operators available for flights from Dublin Airport to Chicago as of July 2025.
How old do you have to be to fly from Dublin Airport to Chicago?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Chicago.
What documentation or ID do you need to fly to Chicago?
The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Dublin to Chicago?
momondo data reveals that the most frequently booked plane model on the route from Dublin to Chicago is Boeing 787-8 Dreamliner, representing 36.27% of all bookings. The subsequent popular models are Boeing 787 Dreamliner at 23.74%, Airbus A330-300 at 19.84%, and Airbus A330 at 8.46%.
What is the most popular airline from Dublin to Chicago?
Based on momondo bookings for flights between Dublin and Chicago, the leading airline is Aer Lingus, making up 53% of the total bookings. Other popular airlines include United Airlines with 11%, Icelandair with 10%, and British Airways with 7%.
Best airlines flying from Dublin to Chicago
Compare and see reviews for airlines that fly from Dublin to Chicago with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £254 | Free Cancellation | Rating 7.0 514 reviews | |||
| PriceFrom £284 | Free Cancellation | Rating 6.6 7,093 reviews | |||
| PriceFrom £287 | Free Cancellation | Rating 7.4 8,845 reviews | |||
| PriceFrom £302 | Free Cancellation | Rating 7.1 1,144 reviews | |||
| PriceFrom £362 | Free Cancellation | Rating 7.6 1,304 reviews | |||
| PriceFrom £371 | Free Cancellation | Rating 7.0 2,813 reviews |
Finnair Flights From Dublin to Chicago
Finnair operates around 7 flights from Dublin to Chicago every week. The average price of these flights found in the last 72 hours has been £736, but momondo users have found Finnair deals from Dublin to Chicago from as low as £494 round-trip. Finnair has been scored 7.6/10 in 1,304 reviews.
United Airlines Flights From Dublin to Chicago
United Airlines (7.4/10 from 8,845 reviews) operates around 5 flights from Dublin to Chicago in any given week. The average United Airlines airfare for this route is around £709, with deals from around £391 rare but found on momondo. Referenced prices are for round-trip Dublin to Chicago flight searches in the last 72 hours.
Why use momondo?
Why should I use momondo to find a flight deal from Dublin to Chicago?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Dublin to Chicago . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Dublin to Chicago with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Chicago from Dublin with this policy.
How can momondo help me find flights from Dublin to Chicago?
Once all potential Dublin to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Dublin to Chicago right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Chicago from Dublin. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.